election survey; public opinion poll
A survey conducted to gauge the political situation or public opinion, especially before an election.
Each party is analyzing the results of the election survey.
世論調査 is a general public opinion poll, while 情勢調査 specifically refers to a survey of the political situation, often in an election context.
Compound of 情勢 (situation, state of affairs) and 調査 (investigation, survey).